论文部分内容阅读
川西高原青稞害虫有43种,分属7目、12科,属于川康峡谷森林草地区。金龟子区系成分有古北区东方种与东洋区印度马来成员。萤叶甲属的两个种,属中国高山萤甲区系成员。各耕作区青稞害虫有各自的优势种群,害虫分布空间狭窄。青稞害虫群落多样性指数:叶部(0.7611)>穗部(0.2036)>根系(0.1364)。根部(种子)和穗部是药剂防治的重点。
There are 43 species of barley pests in the western Sichuan plateau, belonging to 7 orders and 12 families, belonging to the forest grass area of Chuankang Gorge. The chafer fauna includes the eastern species of Gubei and the Indian Malay members of Toyo region. Two species of Diabrotica are members of the Chinese alpine firefly armies. Each cultivated area of barley pests have their own dominant populations, pests distribution space is narrow. Greenbelt pest community diversity index: leaf (0.7611)> ear (0.2036)> root (0.1364). Roots (seeds) and spikes are the focus of chemical control.